Exam 18: Special Occupancies

An ____ is an area where a wire mesh (or other conductive element) is (1) embedded in or placed under concrete; (2) bonded to all metal structures and fixed nonelectrical equipment that may become energized; and (3) connected to the electrical grounding system.

Places of assembly are buildings, or portions of buildings, designed (or intended) for the assembly of ____ or more persons.

Egress lighting for carnivals, circuses and fairs shall not ____.

Dimmers installed in ungrounded conductors shall have overcurrent protection no greater than ____% of the dimmer rating and shall be disconnected from all ungrounded conductors when the dimmer's master or individual switch (or circuit breaker) is in the open position.

Footlights, border lights, and proscenium sidelights should be arranged so that no branch circuit supplying such equipment carries more than a ____-ampere load.